US Silica | 4:持股變動聲明-董事 Rogers Sandra
US Silica | 4:持股變動聲明-董事 KACAL WILLIAM JENNINGS
US Silica | 4:持股變動聲明-董事 Bates Simon
US Silica | 4:持股變動聲明-董事 Smith Jimmi Sue
US Silica | 4:持股變動聲明-董事 DUREN DIANE K
US Silica | 4:持股變動聲明-董事 Bernard Peter Clark
US Silica | 4:持股變動聲明-董事 SHAVER CHARLES W
US Silica | 4:持股變動聲明-高管 Carusona Zach
US Silica | 4:持股變動聲明-高管 USSERY JAMES DEREK
US Silica | 4:持股變動聲明-高管 Russell Stacy
US Silica | 4:持股變動聲明-高管 Hough Kevin
US Silica | 4:持股變動聲明-高管 Carusona Zach
US Silica | 4:持股變動聲明-高管 Hough Kevin
US Silica | 4:持股變動聲明-高管 Shinn Bryan Adair
US Silica | 4:持股變動聲明-高管 Russell Stacy
US Silica | 4:持股變動聲明-高管 USSERY JAMES DEREK
US Silica | SC 13G/A:超過5%持股股東披露文件(修正)-The Vanguard Group(9.11%)
US Silica | SC 13G:超過5%持股股東披露文件-Renaissance Technologies LLC 26-0385758(5.14 %),RENAISSANCE TECHNOLOGIES HOLDINGS CORPORATION 13-3127734(5.14 %)
US Silica | 4:持股變動聲明-高管 Hough Kevin
US Silica | 4:持股變動聲明-高管 Moreau Jay
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